Alliance Laundry Systems DT120FG, JC120FG, JT120FG, SC120FG, ST120FG Troubleshooting Manual

...

Drying Tumblers

120 Pound Capacity 170 Pound Capacity

Refer to Page 5 for Model Numbers

LOAD READY

LOW

AIR FLOW

H I G

L O

M E D

I U M

NON

REV

TEMPERATURE

REV

PUSH

PUSH TO

COOLING

COOLING START

START

DRYING

60 0

0 30

10 20

Troubleshooting

www.comlaundry.com

T021C

Part No. 70410601

August 2007

Table of

Section 1 – Safety Information ...............................................................2

Locating An Authorized Service Person ...............................................3

Contents

Section 2 – Introduction..........................................................................4

Model Identification ..............................................................................4

Customer Service...................................................................................5

Serial Plate Location..............................................................................5

Safety Warnings and Decals..................................................................6

Safety Precautions for Servicing Tumblers...........................................6

Section 3 – Troubleshooting....................................................................7

1. Motor Does Not Start....................................................................8

2. Motor Overload Protector Cycles Repeatedly ..............................9

3. Motor Runs But Cylinder Does Not Turn...................................10

4. Motor Does Not Stop..................................................................11

5. Gas Burner Does Not Ignite........................................................12

6. Burner Ignites and Goes Out Repeatedly....................................14

7. Burner Shuts OFF Prematurely...................................................15

8. Burner Repeatedly Cycles Off on High Limit Thermostat.........16

9. Steam Valve or Burner Does Not Shut Off.................................17

10. Clothes Do Not Dry ....................................................................18

11. Tumbler Overheating ..................................................................19

12. Burner Not Burning Properly......................................................20

13. Loading Door Opens During Operation......................................21

14. Tumbler Runs But No Steam to Coils – Steam Models .............22

15. Water In Steam Line – Steam Models ........................................23

16. Tumbler Will Not Start, Time On Drying Timer, Door Closed .24

17. Motor Runs But Will Not Heat...................................................26

18. Cylinder Turns, But Will Not Heat.............................................27

Section 4 – Adjustments........................................................................29

19. Drive Belt Tension......................................................................29

20. Cylinder Belt Tension.................................................................30

21. Fan Belt Tension .........................................................................30

22. Cylinder Clearance......................................................................31

the expressed written consent of the publisher.

70410601 1

Section 1

Safety Information

Throughout this manual and on machine decals, you will find precautionary statements (i.e. “CAUTION,” “WARNING,” and “DANGER”) followed by specific instructions. These precautions are intended for the personal safety of the operator, user, servicer, and those maintaining the machine.

a DANGER

Danger indicates the presence of a hazard that will cause severe personal injury, death or substantial property damage if the danger is ignored.

a WARNING

Warning indicates the presence of a hazard that can cause severe personal injury, death or substantial property damage if the warning is ignored.

a CAUTION

Caution indicates the presence of a hazard that will or can cause minor personal injury or property damage if the caution is ignored.

Additional precautionary statements (i.e. “IMPORTANT” and “NOTE”) are followed by specific instructions.

IMPORTANT

The word “IMPORTANT” is used to inform the reader of specific procedures where minor machine damage will occur if the procedure is not followed.

NOTE

The word “NOTE” is used to communicate installation, operation, maintenance or servicing information that is important but not hazard related.

In the interest of safety, some general precautions relating to the operation of this machine follow.

WARNING

• Failure to install, maintain and/or operate this product according to the manufacturer’s instructions may result in conditions which can produce serious injury, death and/or property damage.

• Do not repair or replace any part of the product or attempt any servicing unless specifically recommended or published in this Service Manual and unless you understand and have the skills to carry out the servicing.

• Whenever ground wires are removed during servicing, these ground wires must be reconnected to ensure that the product is properly grounded and to reduce the risk of fire, electric shock, serious injury or death.

W006R2

2 70410601

Safety Information

IMPORTANT INFORMATION: During the lifetime of your tumbler, it may require service. The information contained in this manual was written and is intended for use by qualified service technicians who are familiar with the safety procedures required in the repair of your tumbler, and who are equipped with the proper tools and testing equipment.

WARNING

To reduce the risk of electric shock, fire, explosion, serious injury or death:

• Disconnect electric power to the tumbler before servicing.

• Never start the tumbler with any guards/panels removed.

• Whenever ground wires are removed during servicing, these ground wires must be reconnected to ensure that the tumbler is properly grounded.

W240

WARNING

Repairs that are made to your products by unqualified persons can result in hazards due to improper assembly or adjustments subjecting you or the inexperienced person making such repairs to the risk of serious injury, electrical shock or death.

W007

CAUTION

If you or an unqualified person perform service on your product, you must assume the responsibility for any personal injury or property damage which may result. The manufacturer will not be responsible for any injury or property damage arising from improper service and/or service procedures.

NOTE: The WARNING and IMPORTANT instructions appearing in this manual are not meant to cover all possible conditions and situations that may occur. It must be understood that common sense, caution and carefulness are factors which CANNOT be built into this tumbler. These factors MUST BE supplied by the person(s) installing, maintaining or operating the tumbler.

Always contact your dealer, distributor, service agent or the manufacturer on any problems or conditions you do not understand.

Locating An Authorized Service Person

Alliance Laundry Systems is not responsible for personal injury or property damage resulting from improper service. Review all service information before beginning repairs.

Warranty service must be performed by an authorized technician, using authorized factory parts. If service is required after the warranty expires, Alliance Laundry Systems also recommends contacting an authorized technician and using authorized factory parts.

W008

70410601 3

Section 2

Introduction

Model Identification

Information in this manual is applicable to these models:

Gas Steam/Thermal Oil

AT120FG

DC120FG

DT120FG

JC120FG

JT120FG SC120FG ST120FG

AT170FG DC170FG DT170FG

JC170FG

JT170FG SC170FG ST170FG

AT120CSH DC120CSH DT120CSH

JC120CSH JT120CSH

SC120AT

SC120CSH

ST120AT

ST120CSH

AT170CSH DC170CSH DT170CSH

JC170CSH

JT170CSH SC170CSH ST170CSH

4 70410601

Customer Service

If literature or replacement parts are required, contact the source from whom the machine was purchased or contact Alliance Laundry Systems at (920) 748-3950 for the name and address of the nearest authorized parts distributor.

For technical assistance, call (920) 748-3121.

Serial Plate Location

When calling or writing about your product, be sure to mention model and serial numbers. Model and serial numbers are located on serial plate as shown.

Introduction

Junction

Box

Cover

Serial

Plate

120 Pound Models

TMB1497S

Junction

Box

Cover

Serial

Plate

Wiring

Diagram

TMB1499S

170 Pound Models

70410601 5

Introduction

Safety Warnings and Decals

SAFETY WARNINGS and decals have been provided in key locations to remind you of important precautions for the safe operation and maintenance of your tumbler. Please take the time to review these warnings before proceeding with service work.

All decals have been designed and applied to withstand washing and cleaning. Decals should be checked periodically to be sure they have not been damaged, removed, or painted. Refer to the Parts Manual for ordering replacement decals.

Safety Precautions for Servicing Tumblers

• Disconnect electrical service.

• Shut off supply gas valve before servicing gas components.

• Access panel MUST be reinstalled after inspection or servicing of tumbler is completed.

• Use a non-corrosive leak detecting compound to check all pipe connections for gas leaks. DO NOT USE AN OPEN FLAME TO CHECK FOR GAS LEAKS!

• Belt guard MUST be reinstalled after inspection or servicing of tumbler is completed.

• Contactor box cover MUST be reinstalled after inspection or servicing of electric and/or reversing tumbler is completed.

• Loading door switch MUST be operational before putting tumbler into service.

• Junction box cover MUST be reinstalled after inspection or servicing of tumbler is completed.

6 70410601

Section 3

Troubleshooting

WARNING

To reduce the risk of electric shock, fire, explosion, serious injury or death:

• Disconnect electric power to the tumbler before servicing.

• Close gas shut-off valve to gas tumbler before servicing.

• Close steam valve to steam tumbler before servicing.

• Never start the tumbler with any guards/panels removed.

• Whenever ground wires are removed during servicing, these ground wires must be reconnected to ensure that the tumbler is properly grounded.

IMPORTANT: Refer to wiring diagram for aid in testing tumbler components.

W002

70410601 7

Troubleshooting

1. Motor Does Not Start

Motor Does

Not Start

Is there

broken, loose,

or incorrect

wiring?

Yes

Refer to wiring

diagram.

Is the

electrical power

off or circuit

breaker fuse

blown?

Is the

loading door

switch not

closed or switch

inoperative?

Is the

door switch

improperly

adjusted?

Yes

Check power

supply, or replace

Close door, panel

Yes

or test switch and

inoperative.

Refer to

Installation

Manual

switch adjustment.

fuses.

replace if

for door

Is the

transformer

inoperative?

Is the

motor relay

inoperative?

Are trunnion bearings

binding?

Yes

Test and replace

if necessary.

Test relay and replace

if inoperative.

Replace

trunnion

bearings.

Are

Is the start

circuit not

complete?

Is the motor

inoperative?

8 70410601

Yes

Press start switch

or test switch and replace if

inoperative.

Have motor tested

and replace if

inoperative.

idler bearings

binding?

Is timer

improperly

set?

Is timer

inoperative?

Yes

Replace

bearings.

Turn drying timer

clockwise to

desired setting.

Test timer and

replace if

inoperative.

TMB2115S

2. Motor Overload Protector Cycles Repeatedly

Motor Overload

Protector

Cycles

Repeatedly

Is voltage

correct?

Yes

Installation

Manual

requirements.

Troubleshooting

Refer to

for

electrical

Is clothes

load too

large?

Is clothes

cylinder

binding?

Is wiring

adequate?

Is make-up

air adequate?

Yes

Remove part of

load.

Check cylinder

for binding.

Check with

local power

company to

ensure that

wiring is

adequate.

Refer to

Installation

Manual

make-up air

requirements.

for

Clean lint

Is there lint

buildup around

tumbler or poor

maintenance?

70410601 9

Yes

Is there

broken, loose

or incorrect

wiring?

accumulation

on and around

the motors.

Yes

Refer to wiring

diagram.

TMB1904S

+ 23 hidden pages

Alliance Laundry Systems DT120FG, JC120FG, JT120FG, SC120FG, ST120FG Troubleshooting Manual

Specifications and Main Features

Frequently Asked Questions

User Manual

Safety Information

Locating An Authorized Service Person

Introduction

Model Identification

Customer Service

Serial Plate Location

Safety Warnings and Decals

Safety Precautions for Servicing Tumblers

Troubleshooting

1. Motor Does Not Start

2. Motor Overload Protector Cycles Repeatedly